DTC Logic
DTC DETECTION LOGIC
DTC | Trouble diagnosis name | DTC detection condition | Possible causes |
P285A | Clutch B pressure disengagement performance | The detection conditions continuously for 200
msec or more under the following diagnosis
conditions: - Diagnosis conditions - Selector lever: Other than "P", "R" and "N" positions - Vehicle speed: 10 km/h (6 MPH) or more - Engine speed: More than 550 rpm - Output speed: More than 300 rpm - Secondary pulley speed: More than 300 rpm - Command for the 1GR of auxiliary gearbox is in progress. - Auxiliary gearbox shifting is not in progress. - TCM power supply voltage: More than 11 V - Detection conditions - Acceleration/deceleration: Less than −0.05 G - Actual auxiliary gearbox gear ratio − Auxiliary gearbox 1GR ratio ≥ 50% |
- High clutch & reverse brake solenoid
valve - Control valve assembly |
The auxiliary gearbox gear ratio is +-10% or
less for the auxiliary gearbox 2GR ratio continuously
for 500 msec or more under the following
diagnosis conditions: - Diagnosis conditions - Selector lever: Other than "P", "R" and "N" positions - Accelerator pedal position: 0.7/8 or more - Engine speed: More than 550 rpm - Secondary pulley speed: More than 300 rpm - Output speed: More than 300 rpm - Command for the 1GR of auxiliary gearbox is in progress. - Auxiliary gearbox shifting is not in progress. - TCM power supply voltage: More than 11 V |
DTC CONFIRMATION PROCEDURE
CAUTION:
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
Selector lever : "L" POSITION
Accelerator pedal position : 0.7/8 or more
Vehicle speed : 10 km/h (6 MPH) or more
Is "P285A" detected?
YES >> Go to TM "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK INTERMITTENT INCIDENT
Refer to GI "Intermittent Incident".
Is the inspection result normal?
YES >> Replace transaxle assembly. Refer to TM "Removal and Installation".
NO >> Repair or replace malfunctioning parts.